t/test-lib.sh: add test_external and test_external_without_stderr

diff --git a/builtin-write-tree.c b/builtin-write-tree.c
index e838d01233eb1d6cfaa0885c6b37c8726079b0ac..c2187997447df64948577d8a9a78f4462239b369 100644 (file)
--- a/builtin-write-tree.c
+++ b/builtin-write-tree.c
@@ -18,7 +18,7 @@ int cmd_write_tree(int argc, const char **argv, const char *unused_prefix)
        unsigned char sha1[20];
        const char *me = "git-write-tree";
 
-       git_config(git_default_config);
+       git_config(git_default_config, NULL);
        while (1 < argc) {
                const char *arg = argv[1];
                if (!strcmp(arg, "--missing-ok"))